description/ordering information. These TTL encoders feature priority decoding of the inputs to ensure that only the highest-order data line is. line TO 4-line AND 8-line TO 3-line Priority Encoders. Instruments, a leading IC manufacturer of Point of Load converters, and Wurth Electronics. Buy 74HC IC – 8 to 3-Line Priority Encoder IC – IC online at lowest price in India with best quality only on Purchase now with .
|Published (Last):||22 January 2016|
|PDF File Size:||5.91 Mb|
|ePub File Size:||10.93 Mb|
|Price:||Free* [*Free Regsitration Required]|
Factory warranty applies, however no warranty is covered 7414 consumable products. Within Malaysia ,Ship By: Defective products are accepted for exchange within 7days from the date of purchase.
We accept returns for refund or exchange only for items damaged upon receipt. Good quality of product with fast delivery.
74HC148 IC – 8 to 3-Line Priority Encoder IC (74148 IC)
You can use the IC as the encoder in this case. Active low inputs In some cases, such as this, you will be using the keypad for input to devices which use active low inputs. Sometimes you have more inputs than can be used with a single encoder chip.
Fast delivery and good packaging! Will purchase again in future. Only buyers who purchased the product may leave a review. Since 23 Nov Please select option below X. Although you order at your own risk, but special care is taken to protect fragile objects.
Shipping fees include handling and packing fees as well as postage costs. If you are looking for an office package, with a word processor, spreadsheet, etc.
Pages created and updated by Terry Sturtevant Date Posted: Ideally you want to choose a large value that works consistently. All product names are trademarks of their respective companies. Encoder Chip Sometimes you have more inputs than can be used with a single encoder chip. If the resistors get too large, then the circuit will stop working; if the resistors get too small, there will be excessive current drawn from the circuit.
In that case, you want to cascade the encoder chips so that instead of having two sets of three bit outputs, you have a single four bit output.
This means that you will want a key pressed to give a low output on the corresponding line. Resources To view pdf documents, you can download Adobe Acrobat Reader. Closed This item has ended. To do this, simply switch the common connections of the keypad and resistor array mentioned above. Continue Shopping Add To List. In some cases, such as this, you will be using the keypad for input to devices which use active low inputs.
We give an access to everything buyer need at competitive prices. No returns are accepted unless prior written agreement by Synacorp upon purchase of the products.
IC 74148 74HC148 Priority Encoder
Below is the schematic for how to cascade two s to give a single 4 bit output. If you need to update a browser, you might try Firefox which is free open source available for several platforms 741148 this page uses cascading style sheets for its layout, it will look best with a browser which supports the specifications as fully as possible.
It has a few additional inputs and outputs compared to the Out of box defects are accepted for exchange within 7days from the date of purchase. For instance, if you have 16 inputs but your encoder chip only takes 8 or Share your thoughts with others.
Note that while the inputs are active lowthe outputs are active high. Boxes are amply sized and your items are well-protected.
For more details, read our Order Terms and Conditions. Some of these extra pins are what allow these devices to be cascaded.
PC/CP Cascading Encoders
Ex-stock items are generally 7448 within working days after receipt of cleared payment. Your pack shipment Ex-stock items are generally dispatched within working days after receipt of cleared payment. Returns All sales are final.